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623155-21-5

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623155-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 623155-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,1,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 623155-21:
(8*6)+(7*2)+(6*3)+(5*1)+(4*5)+(3*5)+(2*2)+(1*1)=125
125 % 10 = 5
So 623155-21-5 is a valid CAS Registry Number.

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